A. There's no argument to be made that the new system is in any way more environmentally friendly. It's using cloud resources all over the world to create, coordinate, and implement the queue.
The compute hours required will be substantially (multiples) higher than either hitting the servers directly, or than the previous Azure based load balancer. Even in the best case scenario this is far worse from an environmental perspective, and could only ever be so.
B. Possibly. But far more likely is that the Festival didn't set the direction of travel to start with - Given that Queue-It has been implemented across all of the Seetickets sites and this ultimately is "just" a white label Seetickets site.
And here. Got 6 tickets in the last couple of minutes of the sale. Lead booker email arrived but not the individual ones.
I assume others have had the individual emails arrive?